2-230876881-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_030926.6(ITM2C):​c.475T>A​(p.Ser159Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000806 in 1,613,750 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

ITM2C
NM_030926.6 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.22
Variant links:
Genes affected
ITM2C (HGNC:6175): (integral membrane protein 2C) Enables amyloid-beta binding activity. Involved in negative regulation of neuron projection development and neuron differentiation. Located in several cellular components, including Golgi apparatus; lysosome; and perinuclear region of cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.13754317).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ITM2CNM_030926.6 linkuse as main transcriptc.475T>A p.Ser159Thr missense_variant 4/6 ENST00000326427.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ITM2CENST00000326427.11 linkuse as main transcriptc.475T>A p.Ser159Thr missense_variant 4/61 NM_030926.6 P1Q9NQX7-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152128
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000385
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000398
AC:
10
AN:
251374
Hom.:
0
AF XY:
0.0000294
AC XY:
4
AN XY:
135848
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000753
AC:
11
AN:
1461504
Hom.:
0
Cov.:
30
AF XY:
0.00000688
AC XY:
5
AN XY:
727116
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152246
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74440
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000386
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000151
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 05, 2023The c.475T>A (p.S159T) alteration is located in exon 4 (coding exon 4) of the ITM2C gene. This alteration results from a T to A substitution at nucleotide position 475, causing the serine (S) at amino acid position 159 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.22
T
BayesDel_noAF
Benign
-0.21
CADD
Benign
21
DANN
Benign
0.43
DEOGEN2
Benign
0.0065
T;.;T;.;T;.;.
Eigen
Benign
-0.32
Eigen_PC
Benign
-0.073
FATHMM_MKL
Benign
0.74
D
LIST_S2
Benign
0.77
T;.;T;T;T;T;T
M_CAP
Benign
0.022
T
MetaRNN
Benign
0.14
T;T;T;T;T;T;T
MetaSVM
Benign
-0.82
T
MutationAssessor
Benign
0.57
.;.;N;.;.;.;.
MutationTaster
Benign
0.99
D;D;D;D
PrimateAI
Uncertain
0.64
T
PROVEAN
Benign
-0.91
N;N;N;N;N;N;N
REVEL
Benign
0.22
Sift
Benign
0.27
T;T;T;T;T;T;T
Sift4G
Benign
0.59
T;T;T;T;T;T;T
Polyphen
0.010, 0.0040
.;.;B;B;.;.;.
Vest4
0.25, 0.33, 0.23
MVP
0.76
MPC
0.23
ClinPred
0.10
T
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.14
gMVP
0.62

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs201019759; hg19: chr2-231741596; API